.chat-content-references{background-color:#f9f9f9;border-top:1px solid #e0e0e0;border-radius:0 0 8px;padding:8px}.chat-content-references__title{color:#767676;font-size:14px;font-weight:600;line-height:30px;font-family:var(--font-second)}.chat-content-references__label{color:#767676;margin-right:8px;font-size:16px;font-weight:600}.chat-content-references__button{color:var(--ui-color-brand-fod-primary-a);cursor:pointer;background:0 0;border:none;padding:0;font-size:14px;text-decoration:underline}.chat-content-references__button:hover{color:var(--ui-color-brand-fod-dark)}.chat-content-references__header{justify-content:space-between;align-items:center;gap:8px;width:100%;display:flex}.chat-content-references__list{flex-direction:column;gap:8px;transition:all .2s;display:flex}.chat-content-references__list--hidden{display:none}.chat-content-references__item{color:var(--ui-color-brand-fod-primary-a);flex-direction:column;gap:2px;max-width:212px;font-size:16px;text-decoration:none;transition:background-color .2s;display:flex}.chat-content-references__item:hover{text-decoration:underline}.chat-content-references__item:active{color:var(--ui-color-brand-fod-dark)}.chat-content-references__item span p{margin:0;display:inline}.chat-content-references__item-title{color:var(--ui-color-brand-fod-primary-a);font-weight:600;display:block}.chat-content-references__section{margin-bottom:12px}.chat-content-references__section:last-child{margin-bottom:0}.chat-content-references__section-header{align-items:center;gap:8px;margin-bottom:8px;display:flex}.chat-content-references__section-icon{align-items:center;font-size:16px;display:flex}.chat-content-references__section-title{font-size:12px;font-weight:600;font-family:var(--font-second);color:#4e4e4e}.chat-content-references__section-links{flex-direction:column;gap:8px;display:flex}.chat-content-references__separator{background-color:#e0e0e0;width:100%;height:1px}.chat-content-references__link{font-size:14px;font-family:var(--font-second);word-break:break-word;line-height:1.4;display:block}.chat-content-references__row{align-items:flex-start;gap:8px;display:flex}.chat-content-references__row .chat-content-references__link{flex:auto;min-width:0}.chat-content-references__page{white-space:nowrap;font-family:var(--font-second);font-size:12px;font-weight:var(--ui-font-weight-semibold);line-height:var(--ui-line-height-18);color:#4e4e4e;flex-shrink:0}.chat-content-references__link-text{display:inline}.chat-content-references__link-text p{margin:0;display:inline}.chat-content-references__link-text-course-title{font-weight:600}.chat-content-references__snippet{color:#333;margin-bottom:4px;font-size:14px;font-style:italic;line-height:1.4;display:block}.chat-content-references__domain{color:#333;font-size:12px;display:block}.chat-content-references--expanded{flex-direction:column;gap:8px;display:flex}.chat-content-references--expanded .chat-content-references__header{border-bottom:1px solid #e0e0e0;padding-bottom:0}@media screen and (max-width:768px){.chat-content-references{margin-top:12px;padding:10px 12px}.chat-content-references__item{padding:3px 10px;font-size:11px}}.chat-message{margin-bottom:10px;display:block;position:relative}.chat-bubble{gap:8px;margin-bottom:0;display:flex}.chat-bubble__avatar{background-color:transparent;background-image:var(--tangerine-ai-bot);background-position:50%;background-repeat:no-repeat;background-size:cover;border-radius:0%;flex-shrink:0;justify-content:center;align-self:flex-end;align-items:center;width:32px;height:32px;margin-bottom:0;display:flex;overflow:hidden}.chat-bubble__avatar--error{background-image:var(--tangerine-ai-bot-error)}.chat-bubble__content{flex-direction:column;flex:1;align-items:flex-start;gap:8px;display:flex}.chat-bubble__message-group{flex-direction:column;align-items:flex-start;width:100%;display:flex}.chat-bubble__message{word-wrap:break-word;color:#333;border:1px solid #e0e0e0;border-radius:8px;flex:1;font-size:16px;line-height:24px}.chat-bubble__message-content{padding:8px}.chat-bubble__message .markdown-container p{margin-bottom:.5rem}.chat-bubble__message .markdown-container p:last-child{margin-bottom:0}.chat-bubble__message .chat-d3-card{width:100%}.chat-bubble__message .chat-d3-card:first-child{margin-top:0}.chat-bubble__message .chat-d3-card:last-child{margin-bottom:0}.chat-bubble__image{margin-bottom:8px;padding:0 8px}.chat-bubble__image img{cursor:pointer;border-radius:8px;max-width:100%;max-height:300px;display:block}.chat-bubble__attachments{flex-direction:column;gap:8px;display:flex}.chat-bubble__attachments .chat-bubble__image{margin-bottom:0}.chat-bubble--bot .chat-bubble__content,.chat-bubble--bot .chat-bubble__message-group{width:100%}.chat-bubble--bot .chat-bubble__message{background-color:#fff;border-radius:8px 8px 8px 0;width:100%}.chat-bubble--user{flex-direction:row-reverse}.chat-bubble--user .chat-bubble__content{flex-direction:column;align-items:flex-end;display:flex}.chat-bubble--user .chat-bubble__message-group{align-self:flex-end;width:auto;max-width:80%}.chat-bubble--user .chat-bubble__message{background-color:var(--ui-color-brand-fod-lighter);border:1px solid var(--ui-color-brand-fod-light);color:#333;border-radius:8px 8px 0;width:100%}.chat-bubble--just-posted .chat-bubble__message{border-style:solid;border-width:1px;border-image:linear-gradient(111.12deg,var(--ui-color-brand-fod-primary-a)12.58%,var(--ui-color-brand-fod-dark)100%)1}.chat-bubble__tool-indicators{flex-direction:column;gap:8px;width:100%;display:flex}.chat-message__bubble--error .chat-bubble__message{background:#fef0ef;border:1px solid #e04949}.chat-message--streaming .chat-bubble__content .typing-indicator{background-color:#fff;border:1px solid #f2f2f2;border-radius:8px 8px 8px 0;width:100%;padding:12px 16px}.chat-message__actions{align-items:center;gap:8px;margin-top:4px;margin-left:40px;display:flex}.chat-message__audio-button--loading{opacity:.6;cursor:wait}.chat-message--highlighted .chat-bubble--user .chat-bubble__message{border-color:#e04949}.chat-message__flag-button{transition:all .2s}.chat-message__flag-button--flagged{opacity:.7;cursor:default}.chat-message__flag-button--flagged:hover{opacity:.7}.ai-revision-loading{z-index:2147483647;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.ai-revision-loading__backdrop{background:var(--color-background);width:100%;height:100%;position:absolute;top:0;left:0}.ai-revision-loading__content{flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:24px;display:flex;position:relative}.ai-revision-loading__bot-container{justify-content:center;align-items:center;display:flex;position:relative}.ai-revision-loading__bot{--ai-revision-loading-bot-width:7.5rem;--ai-revision-loading-bot-height:8.75rem;width:var(--ai-revision-loading-bot-width);height:var(--ai-revision-loading-bot-height);background-image:var(--tangerine-ai-bot-search);background-position:50%;background-repeat:no-repeat;background-size:contain;animation:2s ease-in-out infinite ai-revision-loading-bounce}.ai-revision-loading__stars{pointer-events:none;width:100%;height:100%;position:absolute}.ai-revision-loading__star{color:var(--color-first);font-size:28px;animation:1.5s ease-in-out infinite ai-revision-loading-sparkle;position:absolute}.ai-revision-loading__star--1{animation-delay:0s;top:-10px;right:-15px}.ai-revision-loading__star--2{animation-delay:.75s;bottom:10px;left:-20px}.ai-revision-loading__text{font-family:var(--font-first);color:#4e4e4e;text-align:center;max-width:300px;font-size:22px;animation:.3s ease-in-out ai-revision-loading-fade}@keyframes ai-revision-loading-bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes ai-revision-loading-sparkle{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}@keyframes ai-revision-loading-fade{0%{opacity:0}to{opacity:1}}.ai-practice-view__header-left{gap:var(--ui-space-xxs);flex-direction:column;align-items:flex-start;display:flex;overflow:hidden}.ai-practice-view__progress-container{flex-direction:row;align-items:center;gap:8px;width:100%;display:flex}.ai-practice-view__progress-container .progress-bar{width:100%;height:12px}.ai-practice-view__progress-container .progress-bar .progress-bar__bar{background:var(--ui-color-neutral-grey-200);border-radius:16px}.ai-practice-view__progress-container .progress-bar .progress-bar__progress{background:var(--ui-color-brand-fod-primary-a);border-radius:16px 16px 0}.ai-practice-view__progress-container--100 .progress-bar .progress-bar__bar .progress-bar__progress{border-radius:16px}.ai-practice-view__content{width:80%;margin:0 auto}.ai-practice-view .ai-practice-view__lesson-title{border-bottom:1px solid var(--color-bg-03);align-items:center;padding:12px 16px;display:flex}.ai-practice-view .ai-practice-view__lesson-title-text{font-family:var(--font-second);color:#4e4e4e;text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:14px;font-weight:600;line-height:normal;overflow:hidden}.ai-practice-view__activity-container{width:100%;margin:0 auto}.ai-practice-view__activity-container .card{border-radius:16px;padding:0;box-shadow:0 2px 5px rgba(0,0,0,.15)}.ai-practice-view__activity-container .ai-practice-view__activity-info{flex-direction:column;gap:8px;margin-bottom:16px;display:flex}.ai-practice-view__activity-container .ai-practice-view__activity-info-item{font-family:var(--font-second);color:#4e4e4e;font-size:16px;line-height:normal}.ai-practice-view__activity-container .ai-practice-view__exercise-content{padding:16px}.ai-practice-view__activity-container .ai-practice-view__exercise-content .lemo-stimulus{color:#333;font-family:var(--font-first);margin-top:0;padding-top:0;font-size:18px;font-style:normal;font-weight:600;line-height:22px}.ai-practice-view__activity-container .ai-practice-view__actions{flex-direction:row;justify-content:space-between;align-items:center;gap:8px;margin-top:24px;display:flex}.ai-practice-view__activity-container .ai-practice-view__actions>div{border-radius:var(--ui-radius-xl)}.ai-practice-view__activity-container .ai-practice-view__actions>div:has(.chat-button:focus-visible){outline:var(--focus-ring-size,var(--ui-stroke-2))solid var(--focus-ring-color,var(--ui-color-stroke-focus-secondary));outline-offset:var(--focus-ring-offset,2px)}.ai-practice-view__activity-container .ai-practice-view__error{flex-direction:column;justify-content:center;align-items:center;gap:8px;display:flex}.ai-practice-view__summary{width:100%;margin:0 auto}.ai-practice-view__summary .card{border-radius:16px;padding:0;box-shadow:0 2px 5px rgba(0,0,0,.15)}.ai-practice-view__summary-content{background-color:#fff;border-radius:16px;flex-direction:column;gap:0;padding:0;display:flex;overflow:hidden}.ai-practice-view__summary-upper-section{flex-direction:column;gap:16px;padding:16px;display:flex}.ai-practice-view__summary-celebration{text-align:center;flex-direction:column;align-items:center;gap:0;display:flex}.ai-practice-view__summary-celebration-image{--summary-robot-image:var(--tangerine-ai-bot-celebrating);background-image:var(--summary-robot-image);background-position:50%;background-repeat:no-repeat;background-size:contain;width:130px;height:130px}.ai-practice-view__summary-celebration-image--success{--summary-robot-image:var(--tangerine-ai-bot-celebrating)}.ai-practice-view__summary-celebration-image--progress{--summary-robot-image:var(--tangerine-ai-bot-help)}.ai-practice-view__summary-celebration-image--failure{--summary-robot-image:var(--tangerine-ai-bot-fail)}.ai-practice-view__summary-title{font-family:var(--font-first);color:#333;margin:0 0 16px;font-size:26px;font-weight:600;line-height:40px}.ai-practice-view__summary-learning-sections{background-color:var(--color-bg-04);border:1px solid var(--color-bg-01);border-radius:16px;flex-direction:column;gap:16px;padding:12px;display:flex}.ai-practice-view__summary-review{align-items:center;gap:var(--ui-space-md);padding:var(--ui-space-md);flex-direction:column;display:flex}.ai-practice-view__summary-review-card{margin-top:var(--ui-space-md)}.ai-practice-view__summary-review-message{background-color:var(--ui-color-blue-100);border:var(--ui-stroke-1)solid var(--ui-color-blue-500);border-radius:var(--ui-radius-xl);padding:var(--ui-space-md)var(--ui-space-xs);align-items:flex-start;gap:var(--ui-space-xs);width:100%;display:flex}.ai-practice-view__summary-review-avatar{background-image:var(--tangerine-ai-bot-help);background-position:50%;background-repeat:no-repeat;background-size:contain;flex-shrink:0;width:48px;height:56px}.ai-practice-view__summary-review-text{font-family:var(--font-second);font-size:var(--ui-font-size-16);font-weight:var(--ui-font-weight-medium);line-height:var(--ui-line-height-24);color:var(--ui-color-neutral-grey-900);margin:0}.ai-practice-view__summary-section{flex-direction:column;gap:8px;display:flex}.ai-practice-view__summary-section-title{font-family:var(--font-first);color:#333;margin:0;font-size:18px;font-weight:700;line-height:26px;display:inline}.ai-practice-view__summary-separator{background-color:#e0e0e0;height:1px;margin:0}.ai-practice-view__summary-answers-section{text-align:center;background-color:#fff;border-bottom-right-radius:8px;border-bottom-left-radius:8px;flex-direction:column;align-items:center;gap:8px;padding:16px;display:flex}.ai-practice-view__summary-answers-title{font-family:var(--font-first);color:#333;text-align:center;margin:0;font-size:18px;font-weight:700;line-height:26px}.ai-practice-view__summary-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.ai-practice-view__summary-list-item{font-family:var(--font-second);color:#4e4e4e;margin-left:24px;padding-left:0;font-size:18px;font-weight:500;line-height:24px;list-style-type:disc}.ai-practice-view__summary-responses{justify-content:center;align-items:center;gap:16px;display:flex}.ai-practice-view__summary-response-indicator{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;padding:8px;display:flex;position:relative}.ai-practice-view__summary-response-indicator--correct{background:var(--ui-color-green-400);border:2px solid var(--ui-color-green-500)}.ai-practice-view__summary-response-indicator--incorrect{background:var(--ui-color-red-400);border:2px solid var(--ui-color-red-500)}.ai-practice-view__summary-response-number{color:#fff;font-family:var(--font-first);font-size:18px;font-weight:800;line-height:normal}.ai-practice-view__notify-button{cursor:pointer;background:#f9f9f9;border:1px solid #f2f2f2;border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;padding:0;transition:all .2s ease-in-out;display:flex}.ai-practice-view__notify-button .icon{width:16px;height:16px;transition:color .2s ease-in-out}.ai-practice-view__notify-button .icon--color-default{color:#e04949!important}.ai-practice-view__notify-button:not(:disabled):hover{background:#f2f2f2;border:1px solid #e0e0e0}.ai-practice-view__notify-button:not(:disabled):hover .icon{color:#333}.ai-practice-view__notify-button:not(:disabled):active{background:#f9f9f9;transform:translateY(0);box-shadow:inset 0 3px rgba(224,224,224,.7)}.ai-practice-view__notify-button:not(:disabled):active .icon{color:#333}.ai-practice-view__notify-button:disabled{cursor:not-allowed;background:#f2f2f2;transform:none;box-shadow:0 1px 2px rgba(0,0,0,.05)}.ai-practice-view__notify-button:disabled .icon{color:#ababab}.ai-practice-view .card__content{position:relative}.ai-practice-view .lemonade-exercises .lemo-question-header{width:calc(100% - 64px)}.sidebar-feedback{--sidebar-feedback-gap:var(--ui-space-xs);gap:var(--sidebar-feedback-gap);flex-direction:column;display:flex}.sidebar-feedback__prompt{font-family:var(--ui-font-family-body);font-size:var(--ui-font-size-12);font-weight:var(--ui-font-weight-regular);line-height:var(--ui-line-height-18);color:var(--ui-color-text-secondary);margin:0}.sidebar-feedback--collapsed{align-items:center}.tutor-usage-chart{border-top:1px solid #e0e0e0;flex-direction:column;gap:16px;padding-top:24px;display:flex}.tutor-usage-chart__header{justify-content:space-between;align-items:flex-start;display:flex}.tutor-usage-chart__header-text{flex-direction:column;gap:4px;display:flex}.tutor-usage-chart__title{font-family:var(--font-first);color:#333;margin:0;font-size:18px;font-weight:700;line-height:24px}.tutor-usage-chart__description{font-family:var(--font-second);color:#767676;margin:0;font-size:14px;font-weight:400;line-height:20px}.tutor-usage-chart__filter{flex-shrink:0;min-width:180px}.tutor-usage-chart__container{margin-top:16px}.tutor-usage-chart__legend{align-items:center;gap:16px;margin:0;padding:0;list-style:none;display:flex}.tutor-usage-chart__legend-item{font-family:var(--font-second);color:#4e4e4e;align-items:center;gap:4px;font-size:14px;font-weight:500;line-height:20px;display:flex}.tutor-usage-chart__legend-color{flex-shrink:0;width:28px;height:12px}